[GunMetalGrey]

Originally Posted by Msquared

I think the question remains: how do you know the car's geometry needs "corrections" just because you lower it slightly? And if so, what will you correct, and how will you know what to correct? Don't forget, if you increase the effective spindle height (which is what the "roll center correction" shims achieve), then that has other implications for geometry, such as where the RC moves and how quickly as the suspension compresses and rebounds. The existence of these parts implies that "RC correction" is needed, but has anybody really quantified that? Again, I don't think Chevy does anything to correct it for the different ride heights of the various Camaro models.

Good question, I have no idea, But if I had to guess I would think that changing one thing would generally mean changing something else to keep everything in balance. But I can’t prove that at all.

Yes there’s definitely trust that SPL knows what they are doing but I don’t think it’s a far-fetched assumption either.

They also said that their tension rods would give me the ability to increase caster, independently of camber, to somewhere between 8.5 And 9.5 which is what they claim a lot of guys tracking the Camaro are at. Apparently without this product the caster is tied to the camber which is why I am now at 7.6 up from my original 6.9 because I’ve increased the camber to -2.5